312304880

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1\times {\mathrm{193}}^1$

素因数の和:498

約数の個数: 80

約数和(自身を含む): 740443680

約数和(自身を除く): 428138800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 179, 193, 226, 358, 386, 452, 565, 716, 772, 895, 904, 965, 1130, 1432, 1544, 1790, 1808, 1930, 2260, 2864, 3088, 3580, 3860, 4520, 7160, 7720, 9040, 14320, 15440, 20227, 21809, 34547, 40454, 43618, 69094, 80908, 87236, 101135, 109045, 138188, 161816, 172735, 174472, 202270, 218090, 276376, 323632, 345470, 348944, 404540, 436180, 552752, 690940, 809080, 872360, 1381880, 1618160, 1744720, 2763760, 3903811, 7807622, 15615244, 19519055, 31230488, 39038110, 62460976, 78076220, 156152440, 312304880]

約数ペア:

[(1, 312304880), (2, 156152440), (4, 78076220), (5, 62460976), (8, 39038110), (10, 31230488), (16, 19519055), (20, 15615244), (40, 7807622), (80, 3903811), (113, 2763760), (179, 1744720), (193, 1618160), (226, 1381880), (358, 872360), (386, 809080), (452, 690940), (565, 552752), (716, 436180), (772, 404540), (895, 348944), (904, 345470), (965, 323632), (1130, 276376), (1432, 218090), (1544, 202270), (1790, 174472), (1808, 172735), (1930, 161816), (2260, 138188), (2864, 109045), (3088, 101135), (3580, 87236), (3860, 80908), (4520, 69094), (7160, 43618), (7720, 40454), (9040, 34547), (14320, 21809), (15440, 20227)]